PT-2026-64592 · Linux · Linux
CVE-2026-64371
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Published
2026-07-25
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Updated
2026-07-25
None
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In the Linux kernel, the following vulnerability has been resolved:
proc: protect ptrace may access() with exec update lock (part 1)
Fix the easy cases where procfs currently calls ptrace may access() without
exec update lock protection, where the fix is to simply add the extra lock
or use mm access():
- do task stat(): grab exec update lock
- proc pid wchan(): grab exec update lock
- proc map files lookup(): use mm access() instead of get task mm()
- proc map files readdir(): use mm access() instead of get task mm()
- proc ns get link(): grab exec update lock
- proc ns readlink(): grab exec update lock
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Related Identifiers
Affected Products
Linux